1
as in moody
frequently influenced by moods and especially bad moods
one of those temperamental actresses who can make life difficult for everyone around her
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in volatile
likely to change frequently, suddenly, or unexpectedly
stock prices have been pretty temperamental lately, often fluctuating wildly
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Antonyms & Near Antonyms
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Recent Examples of temperamental
With the right care and a little patience, orchids are far less temperamental than their reputation suggests.
—
Helena Madden, Martha Stewart, 10 Feb. 2026
Gasoline cars, by contrast, were noisy and temperamental.
—Bill Gourgey, Popular Science, 5 Feb. 2026
The temperamental Moon energizes your 8th House of Intimacy, while extravagant Jupiter emboldens your 11th House of Community.
—Tarot.com, Sun Sentinel, 24 Jan. 2026
Cooper has occasionally spoken about his time in Alaska throughout the series, including mention of his temperamental T-45d power armor, a flawed early design that preceded the T-60 (worn by Max’s West Coast Brotherhood in the Fallout show) and the T-51b (yet to be seen in live action).
—Jack King, Vulture, 7 Jan. 2026
See All Example Sentences for temperamental
Helena Madden, Martha Stewart, 10 Feb. 2026
Gasoline cars, by contrast, were noisy and temperamental.
—Bill Gourgey, Popular Science, 5 Feb. 2026
The temperamental Moon energizes your 8th House of Intimacy, while extravagant Jupiter emboldens your 11th House of Community.
—Tarot.com, Sun Sentinel, 24 Jan. 2026
Cooper has occasionally spoken about his time in Alaska throughout the series, including mention of his temperamental T-45d power armor, a flawed early design that preceded the T-60 (worn by Max’s West Coast Brotherhood in the Fallout show) and the T-51b (yet to be seen in live action).
—Jack King, Vulture, 7 Jan. 2026
See All Example Sentences for temperamental
Recent Examples of Synonyms for temperamental
Adjective
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Dark, moody walls make the natural-wood bench and light floors stand out; a charming white dome pendant light ties the space together.—
Sophia Beams,
Better Homes & Gardens,
19 Feb. 2026
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Aura designs, gradient tips, 3D water droplets, and gold accents make up this perfectly moody mani.—
Kara Jillian Brown,
InStyle,
19 Feb. 2026
Adjective
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Quick recovery after extinction Interestingly, the fossil identification suggests that even in the immediate, volatile aftermath of a global catastrophe, these creatures were not isolated.—
Mrigakshi Dixit,
Interesting Engineering,
23 Feb. 2026
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Flying is the company’s second Nova-C lander named Athena featuring NASA’s PRIME-1 drill, to land a drill and mass spectrometer near the south pole of the moon in order to demonstrate the feasibility of in-situ resource utilization (ISRU) and measure the volatile content of subsurface samples.—
Richard Tribou,
The Orlando Sentinel,
22 Feb. 2026
Adjective
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Just Friends By Haley Pham Blair and Declan were once inseparable best friends whose brief, impulsive romance ended in heartbreak and silence after one shattering moment.—
Kait Hanson,
Southern Living,
21 Feb. 2026
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After getting two appointments right (Steve Cooper and Nuno Espirito Santo), Marinakis has reverted to type, with impulsive and erratic decision-making having undermined Forest’s campaign from the start.—
Oliver Kay,
New York Times,
20 Feb. 2026
Adjective
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With unpredictable weather on the horizon, the barn jacket is a happy medium between light jackets and heavy coats.—
India Roby,
Glamour,
24 Feb. 2026
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If your income is unpredictable or already stretched thin, that commitment could create more stress instead of less.—
Angelica Leicht,
CBS News,
24 Feb. 2026
Adjective
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And, as predicted, the blizzard arrived, delivering blankets of unstable powder.—
Ray Sanchez,
CNN Money,
21 Feb. 2026
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The storm arrived as predicted and by Tuesday morning had dumped several feet of fresh, unstable snow.—
Grace Toohey,
Los Angeles Times,
20 Feb. 2026
Cite this Entry
“Temperamental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/temperamental. Accessed 26 Feb. 2026.
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